Door Mirror LH Defogger Circuit Check

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR MIRROR LH DEFOGGER POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect door mirror LH.
Turn ignition switch ON.

Check voltage between door mirror LH connector and ground.

VOLTAGE SPECIFICATION CHART

Connector	Terminals		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
D4	1	Ground	Rear window defogger switch ON	Battery voltage
D4	1	Ground	Rear window defogger switch OFF	0

Fig 1: Checking Voltage Between Door Mirror LH Connector And Ground

OK or NG

OK: GO TO 2.

NG: Repair or replace harness.

CHECK DOOR MIRROR LH DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector D4 terminal 6 and ground.
  6 - Ground : Continuity should exist.
  
  Fig 2: Checking Continuity Between Door Mirror LH Connector D4 Terminal 6 And Ground
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.
CHECK DOOR MIRROR LH DEFOGGER
Check continuity between door mirror LH terminals 1 and 6.

1 - 6 : Continuity should exist.

Fig 3: Checking Continuity Between Door Mirror LH Terminals 1 And 6

OK or NG

OK: Repair or replace harness.

NG: Replace door mirror LH. Refer to "DOOR MIRROR ASSEMBLY ".